608400 - Bleed Screw

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Bleed Screw for the rear drum brake wheel cylinder, used to purge air from the hydraulic circuit during brake bleeding. Threaded into the wheel cylinder, the screw is loosened to r elease trapped air and old fluid as fresh fluid is pumped through, then retightened to seal the cylinder. A correctly seated bleed screw is essential to a firm pedal and a sealed hydraulic system. Show more